* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body,
html {
  height: 100%;
}

#app {
  display: flex;
  width: 100%;
  height: 100%;
}

.left {
  width: 300px;
  background-color: #f5f6fa;
}

.login {
  margin: 10px;
}

.channel {
  margin: 10px;
}

.center {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
  background-color: #718092;
}

#videoPlugin {
  width: 640px;
  height: 480px;
}

.right {
  width: 400px;
}
